<!DOCTYPE html>
<!--
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
-->
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
          $a=2*7.99;
          $b=1*6.89;
          $c=3*3.99;
          $d=($a+$b+$c)*0.8;
        ?>
        
        <table border="1">
            <table border="1">
                <thead>
                    <tr>
                        <th>商品名称</th>
                        <th>购买数量</th>
                        <th>商品价格</th>
                        <th>商品总价</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td>香蕉</td>
                        <td>2</td>
                        <td>7.99</td>
                        <td><?php echo $a;?> </td>
                    </tr>
                    <tr>
                        <td>苹果</td>
                        <td>1</td>
                        <td>6.89</td>
                        <td><?php echo $b;?> </td>
                    </tr>
                    <tr>
                        <td>橘子</td>
                        <td>3</td>
                        <td>3.99</td>
                        <td><?php echo $c;?> </td>
                    </tr>
                    <tr>
                        <td></td>
                        <td></td>
                        <td>商品折扣：0.8</td>
                        <td></td>
                    </tr>
                    <tr>
                        <td></td>
                        <td></td>
                        <td>打折后购买商品总价格</td>
                        <td><?php echo $d;?> </td>
                    </tr>
                    
                </tbody>
            </table>

            
            
        </table>
    </body>
</html>
